package at.nhmwien.schema_mapping_tool;

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

import at.nhmwien.schema_mapping_tool.schemaReaders.*;
import java.io.*;
import java.util.*;

/*
 * inputConversionWindow.java
 *
 * Created on 10.09.2009, 11:11:28
 */

/**
 *
 * @author wkoller
 */
public class InputConversionWindow extends javax.swing.JFrame {

    /** Creates new form inputConversionWindow */
    public InputConversionWindow() {
        initComponents();
    }

    /** Start reading an input file and convert it **/
    public LinkedHashMap<String,LinkedHashMap> convertFile( File inputFile ) {
        //Based on the file extension we detect the type and start the conversion
        /* Currently support file types are:
         * - FDT: File Definition Table (ISIS)
         *
        */
        this.setVisible(true);

        currentStepLabel.setText( "Detecting File Type" );

        // Extract the file extension
        String ifName = inputFile.getName();
        int dotPos = ifName.lastIndexOf(".");
        String ifExt = ifName.substring(dotPos + 1).toLowerCase();

        currentStepLabel.setText( "Starting File Conversion" );

        LinkedHashMap<String,LinkedHashMap> fields = null;

        FileConverter fc = null;

        // Start conversion based on extension
        if( ifExt.compareTo( "fdt" ) == 0 ) {
            fc = new FdtConverter();
            //fields = fdtC.parseFile(inputFile);
        }
        else if( ifExt.compareTo( "xml" ) == 0 ) {
            fc = new XmlConverter();
            //fields = xmlC.parseFile(inputFile);
        }
        else if( ifExt.compareTo( "xsd" ) == 0 ) {
            //fc = new XsdConverter();
            fc = new XsdXSOMConverter();
            //fields = xsdC.parseFile(inputFile);
        }
        else if( ifExt.compareTo( "def" ) == 0 ) {
            fc = new MARC21DefConverter();
            //fields = m21dC.parseFile(inputFile);
        }
        else if( ifExt.compareTo( "xls" ) == 0 ) {
            fc = new XlsConverter();
        }
        else if( ifExt.compareTo( "csv" ) == 0 ) {
            fc = new DelFileConverter();
        }

        // Check if we have a valid input format
        if( fc != null ) fields = fc.parseFile(inputFile);

        // DEBUG: Add fields to text area
        if( fields != null ) {
            Set fS = fields.entrySet();
            Iterator i = fS.iterator();
            while( i.hasNext() ) {
                Map.Entry me = (Map.Entry) i.next();
                HashMap fieldInfo = (HashMap) me.getValue();

                logTextArea.append(me.getKey() + ": " + fieldInfo.get("name") + "\n" );
            }
        }

        this.setVisible(false);

        return fields;
    }

    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        conversionProgressBar = new javax.swing.JProgressBar();
        currentStepLabel = new javax.swing.JLabel();
        jScrollPane1 = new javax.swing.JScrollPane();
        logTextArea = new javax.swing.JTextArea();

        setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
        setName("inputConversionFrame"); // NOI18N
        setResizable(false);

        logTextArea.setColumns(20);
        logTextArea.setRows(5);
        jScrollPane1.setViewportView(logTextArea);

        org.jdesktop.layout.GroupLayout layout = new org.jdesktop.layout.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(org.jdesktop.layout.GroupLayout.TRAILING, layout.createSequentialGroup()
                .addContainerGap()
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.TRAILING)
                    .add(org.jdesktop.layout.GroupLayout.LEADING, jScrollPane1, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 373, Short.MAX_VALUE)
                    .add(currentStepLabel, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 373, Short.MAX_VALUE)
                    .add(org.jdesktop.layout.GroupLayout.LEADING, conversionProgressBar, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 373, Short.MAX_VALUE))
                .addContainerGap())
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(layout.createSequentialGroup()
                .addContainerGap()
                .add(currentStepLabel)
                .addPreferredGap(org.jdesktop.layout.LayoutStyle.UNRELATED)
                .add(conversionProgressBar, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(org.jdesktop.layout.LayoutStyle.UNRELATED)
                .add(jScrollPane1, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 447, Short.MAX_VALUE)
                .addContainerGap())
        );

        pack();
    }// </editor-fold>//GEN-END:initComponents

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JProgressBar conversionProgressBar;
    private javax.swing.JLabel currentStepLabel;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JTextArea logTextArea;
    // End of variables declaration//GEN-END:variables

}
